ancora -nom: a spanish lexicon of deverbal nominalizations
DESCRIPTION
AnCora -Nom: A Spanish Lexicon of Deverbal Nominalizations. Aina Peris and Mariona Taulé CBA 2010: Corpus-Based Approaches to Paraphrasing and Nominalization Barcelona, 1-2 December 2010 . AnCora -Nom: A Spanish Lexicon of Deverbal Nominalizations. Introduction Related Work - PowerPoint PPT PresentationTRANSCRIPT
AnCora-Nom: A Spanish Lexicon of Deverbal
Nominalizations Aina Peris and Mariona Taulé
CBA 2010: Corpus-Based Approaches to Paraphrasing and NominalizationBarcelona, 1-2 December 2010
Introduction
Related Work
Methodology
AnCora-Nom
Conclusions and Future Work
CBA 2010
AnCora-Nom: A Spanish Lexicon of Deverbal Nominalizations
La solución pasaba por [abaratar el despido]. ‘The solution was to make dismissal cheaper’ La solución consistía en [el abaratamiento del despido]. ‘The solution consisted of the cost reduction of dismissal’.
CBA 2010
Introduction
Deverbal nominalizations contain rich semantic information
New lexical resource: AnCora-Nom◦ Deverbal nominalizations from AnCora-Es: 1,655 lemmas
◦ Semantic Information Argument Structure Denotation type: event, result, and underspecified
◦ Morhosyntactic information Specifiers Plurality Constituents
CBA 2010
Introduction
AnCora-Nom: 1,655 lexical entries linked to those of the corresponding verbs.
NLP approach: helpful for information extraction tasks.
Linguistic approach: an excellent resource for studying the argument realization of both nouns and verbs.
CBA 2010
Introduction
Introduction
Related Work
Methodology
AnCora-Nom
Conclusions and Future Work
CBA 2010
AnCora-Nom: A Spanish Lexicon of Deverbal Nominalizations
NOMLEX (Macleod et al., 1998)
NOMLEX-PLUS (Meyers et al., 2004)
Berkeley FrameNet Project (Ruppenhoffer et al., 2006)
◦ Spanish FrameNet (Subirats, 2009)
The Essex Database of Russian Verbs and their Nominalizations (Spencer and Zaretskaya, 1999)
NOMAGE lexicon (Balvet et al., 2010)
CBA 2010
Related Work
Manually build vs. automatically obtained
Introduction
Related Work
Methodology
AnCora-Nom
Conclusions and Future Work
CBA 2010
AnCora-Nom: A Spanish Lexicon of Deverbal Nominalizations
ANCORA-ES ANCORA-NOM
AnCora-Nom represents in the lexical entry the information coded in AnCora-Es
CBA 2010
Methodology
500,000-word Spanish corpus
23,000 deverbal nominalization tokens
1,655 nominalization types and lexical entries
Annotation of Deverbal nominalizations in AnCora-Es
<sn>
<grup.nom gen="f" num="s">
<n gen="f" lem= "aceptación" denotationtype="result" num="s" originlexicalid="verb.aceptar.1.default" pos="ncfs000" postype="common" sense="16:00235235" wd="aceptación"/>
<sp arg="arg0" func="cn" tem="agt" > <prep> <s lem="de" pos="sps00" postype="preposition" wd="de"/> <sn> <spec gen="m" num="p"> <d gen="c" lem=”el" num="p" pos="dn0cp0" postype=”article" wd=”los"/> <grup.nom gen="m" num="p"> <n gen="m" lem="demás" num="p" pos="ncmp000" postype="common" sense="16:10919146" wd="demás"/>
CBA 2010
Methodology
Extraction process
CBA 2010
Methodology
Consult all the ocurrences of each lemma
Stablish the different
nominal senses
Extract the features
associated with each sense
Lexicalized ConstructionsSame denotation and same verb sense
AnCora-Nom Lexical Entry
Introduction
Related Work
Methodology
AnCora-Nom
Conclusions and Future Work
CBA 2010
AnCora-Nom: A Spanish Lexicon of Deverbal Nominalizations
CBA 2010
AnCora-NomAnCora-Nom
Lexical Entries 1,655
Nominal Senses 3,094
Nominal Frames 3, 204
<lexentry lemma="aceptación" lng="es" origin="deverbal" type="noun">
<sense cousin="no" denotation="result" id="1" lexicalized="no" originlemma="aceptar" originlink="verb.aceptar.1" wordnetsynset="16:00117820+16:10039397">
<frame appearsinplural="no" type="default"> <argument argument="arg0" thematicrole="agt"> <constituent frequency="1" preposition="de" type="sp"/> <constituent frequency="1" type="s.a"/> </argument> <specifiers> <constituent frequency="1" postype="article" type="determiner"/> <constituent frequency="1" type="void"/> </specifiers>
<examples> <example file="CESS-CAST-P/141_19981202.tbf.xml" nodepath="4.5.3.2.1.0" sentencenodepath="4">
Para el realizador y guionista , el protagonista masculino , Stéphane , " es muy interesante porque Ø encarna la tolerancia , aceptación de los demás .
</example>
<sense cousin="no" denotation="event" id="2" lexicalized="no" originlemma="aceptar"
originlink="verb.aceptar.1" wordnetsynset="16:00117820"> …
Aceptación ‘acceptance’ lexical entry
AnCora-Nom
<sense cousin="no" denotation="result" id="1" lexicalized="no” originlemma="aceptar" originlink="verb.aceptar.1" wordnetsynset="16:00117820+16:10039397”>
Cousin attribute
CBA 2010
Sense Attributes
“no”morphological relationship from verb to noun
aceptar>aceptación accept>acceptance
“yes”
morphological relationship from noun to verb
revolución> revolucionar‘revolution’> revolutionize
semantic relationship between noun and verb
escarnio – mofarse‘mocking’ – ‘make fun’
<sense cousin="no" denotation="result" id="1" lexicalized="no” originlemma="aceptar" originlink="verb.aceptar.1" wordnetsynset="16:00117820+16:10039397”>
Denotation attribute◦ Event[Su Poss-arg1-pat persecución <denotationtype=“event”> ] es uno de esos atractivos marginales que aún le quedan a la Vuelta.
[His persecution] is one of those marginal appeals that ‘la Vuelta’ still has’.
◦ ResultEl tema de conversación era [la actuación <denotationtype=“result”> policial AP-arg0-agt].‘The topic of discussion was [the police acting].’
◦ UnderspecifiedSe espera [la llegada <denotationtype =“underspecified” > de más de 450 observadores extranjeros]NP.
‘[The arrival of more than 450 foreign observers] is expected.’
CBA 2010
Sense Attributes
<sense cousin="no" denotation="result" id="1" lexicalized="no” originlemma="aceptar" originlink="verb.aceptar.1" wordnetsynset="16:00117820+16:10039397”>
Lexicalized attribute◦ “no”: the nominalization does not take part in lexicalized construction
◦ “yes”: the nominalization does take part in lexicalized construction Alternative_lemma attribute: golpe_de_estado ‘coup d’état’
Lexicalizationtype attribute: “nominal”, “verbal”, “adjectival”, “adverbial”, “prepositional” and “conjunctive”.
CBA 2010
Sense Attributes
<sense alternativelemma="golpe_de_estado" cousin="no" denotation="result" id="4" lexicalizationtype="nominal" lexicalized="yes" originlemma="golpear" originlink="verb.golpear.1" wordnetsynset="16:00629246”>
<frame appearsinplural="no" type="default"> <argument argument="arg0" thematicrole="agt"> <constituent frequency="1" type="s.a"/> <constituent frequency="1" preposition="de" type="sp"/> </argument> <argument argument="argL"> <constituent frequency="6" preposition="de" type="sp"/> </argument> <argument argument="argM" thematicrole="fin"> <constituent frequency="1" preposition="en_favor_de" type="sp"/> <specifiers> <constituent frequency="3" postype="indefinite" type="determiner"/> <constituent frequency="2" type="void"/> <constituent frequency="1" postype="demonstrative" type="determiner"/> <reference_modifiers> <constituent frequency="1" type="s.a"/> </reference_modifiers> <examples> <example file="3LB-CAST/111_C-6.tbf.xml" nodepath="1.2.1.1" sentencenodepath="1">El empresario fiyiano George_Speight
encabeza este golpe de Estado en_favor_de la comunidad de nativos fiyianos, como ha definido su acción . </example> <example file="CESS-CAST-AA/8907_20000114.tbf.xml" nodepath="0.0.1.4.3.1.1.0" sentencenodepath="0">El ex presidente
de Costa_de_Marfil Henri_Konan_Bédié , destituido el pasado 24_de_diciembre por un violento golpe de Estado militar, reclamó hoy en París la celebración de elecciones " libres y transparentes " en su país antes de Junio próximo . </example>
</examples>
CBA 2010
Lexicalized sense golpe de estado ‘coup d’état’
<frame appearsinplural="no" type="default"> <argument argument="arg0" thematicrole="agt">
<constituent frequency="1" type="s.a"/> <constituent frequency="1" preposition="de" type="sp"/> </argument> <argument argument="argL"> <constituent frequency="6" preposition="de" type="sp"/> </argument> <argument argument="argM" thematicrole="fin"> <constituent frequency="1" preposition="en_favor_de" type="sp"/>
<reference_modifiers> <constituent frequency="1" type="s.a"/> </reference_modifiers>
<specifiers> <constituent frequency="3" postype="indefinite" type="determiner"/> <constituent frequency="2" type="void"/> <constituent frequency="1" postype="demonstrative" type="determiner"/>
CBA 2010
Frame Attributes“passive”, “causative”, “locative”, “benefactive”
• Argument position• Thematic Role• Constituents and frequency
• "article”• "indefinite”• "demonstrative”• "exclamative”• "numeral”• "interrogative”• "possessive”• "ordinal” • "void”
Quantitative Data
Table 1: Distribution of nominal senses
Table 2: Distribution of senses taking into
account argument realization
Denotation Lexicalized Non-lexicalized
Total
Event 0 631 631
Result 115 1,771 1,886
Underspecified 2 490 492
None 85 0 85
Total 202 2,892 3,094
Arguments Event Result Underspecified
0 48 499 22
1 336 603 312
2 168 340 111
More than 2 79 444 47
Total 631 1,886 492
CBA 2010
Introduction
Related Work
Methodology
AnCora-Nom
Conclusions and Future Work
CBA 2010
AnCora-Nom: A Spanish Lexicon of Deverbal Nominalizations
AnCora-Nom: New lexical resource
1,655 lexical entries of Spanish deverbal nominalizations
Developed from the information encoded in the AnCora-Es corpus.
Linked to the AnCora-Es corpus and to the AnCora-Verb Spanish lexicon
CBA 2010
Conclusions
AnCora-Nom as input of the ADN-classifier
Enlarge this lexicon with deadjectival nominalizations and relational nouns
Build a Catalan deverbal nominalization lexicon
CBA 2010
Current and Future work
Thank you
Any question?